A difference between bacterial and eukaryotic translation is Multiple Choice translation can begin on an MRNA still being synthesized only in eukaryotes. a 5' cap is added to the mRNA before translation only in bacteria modifications to the 5' end of MRNA help it to bind to ribosomes only in eukaryotes bacteria use a completely different genetic code than eukaryotes. special TRNAS read the stop codons only in in eukaryotes

A difference between bacterial and eukaryotic translation is Multiple Choice translation can begin on an MRNA still being synthesized only in eukaryotes. a 5' cap is added to the mRNA before translation only in bacteria modifications to the 5' end of MRNA help it to bind to ribosomes only in eukaryotes bacteria use a completely different genetic code than eukaryotes. special TRNAS read the stop codons only in in eukaryotes

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 17QP: Given the following mRNA, write the double-stranded DNA segment that served as the template....

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Given the following mRNA, write the double-stranded DNA segment that served as the template. Indicate both the 5 and the 3 ends of both DNA strands. Also write out the tRNA anticodons and the amino acid sequence of the protein encoded by the mRNA message. DNA: mRNA: 5-CCGCAUGUUCAGUGGGCGUAAACACUGA-3 protein: tRNA:
Given the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also, write out the amino acid sequence of the protein encoded by this message. tRNA: UAC UCU CGA GGC mRNA: protein: How many hydrogen bonds would be present in the DNA segment?
The piece of eukaryotic mRNA below includes the region that codes for the binding site for the initiator tRNA needed in translation. 5'-GUUUCCCGUAUACAUGCGUGCCGGGGGC-3' Using the table below, which amino acid would you expect to be on the tRNA that is the first to bind to the A site of the ribosome? AGC AGA AGG GCA CGA CUA GGA GGC GCC CGC AUA CUC AGU CCA UCA ACA CCC UCC ACC UUC CCG UCG ACG UUU CCU UCU GCG CGG GAC AAC UGC GAA CAA GGG CAC AUC CUG AAA GCU CGU GAU AAU UGU GAG CAG GGU CAU AUU CUU AAG AUG Ala Arg Asp Asn Cys Glu Gin Gly His lle Leu Lys Met Phe Pro Ser O methionine O arginine O cysteine Ovaline UUA UUG OOOO GUA GUC UAC GUG ACU UGG UAU GUU Thr Trp Tyr Val UAA UAG UGA stop
Which of these statements is true about the elongation step of translation? The growing polypeptide chain is transferred from the P site RNA to the A site RNA OThe MRNA moves through the ribosome OThe new amino acid is transferred from the A site tRNA to the growing polypeptide chain in the P site The small ribosomal subunit detaches and reattaches every time a new amino acid is incorporated into the growing polypeptide
Which of the following statements about translation is false? In eukaryotes, the 5' cap and the 3' poly(A) tail are involved in translation initiation. Peptidyl-transferase activity during translation is the property of a ribozyme. A base at the first position of an anticodon on the tRNA would pair with a base at the third position of the mRNA. The growing peptide chain is transferred from the tRNA in the P site to the tRNA in the A site. Ribosomes move along an mRNA in the 3’ → 5' direction.
How does the antibiotic streptomycin inhibit bacterial translation? Multiple Choice blocks elongation by preventing the large ribosomal subunit from binding to the small ribosomal subunit interferes with the normal pairing of aminoacyl TRNAS and codons resulting in abnormal proteins prevents the release of the initiator tRNA from the P site, blocking elongation blocks termination by competitively inhibiting the binding of a release factor to the A site
An RNA polymer is made by using the enzyme polynucleotide phosphorylase with equal quantities of CTP and GTP. When this RNA is used in an in vitro translation system, all of the following amino acids could be incorporated into a newly made polypeptide, except: Codon Table Second position A G UUU UCU UAU UGU phe tyr сys UUC UCC UAC UGC ser UAA Stop UGA Stop A UAG Stop UGG trp UUA UCA UUG UCG CUU CCU CAU CGU leu ССС pro his CAC CUC CGC arg CỦA ССА CAA CGA gln CUG CCG CAG CGG AUU ACU AAU AGU asi se ACC thr ACA AUC ile AAC AGC AUA AAA lys AAG AGA arg AUG met ACG AGG GUU GCU GAU GGU asp GGC gly GGA GUC GCC ala GCA GAC val GUA GAA glu GAG GUG GCG GGG proline (pro) histidine (His) O arginine (Arg) alanine (Ala) glycine (Gly) Third position (3'-end) First position (5'-end)
All of the following are true about translation EXCEPT _____. as the ribosome moves from codon to codon, amino acids brought by successive tRNAs to the ribosome form a growing polypeptide when the ribosome reaches a stop codon, its subunits detach, and the mRNA and new polypeptide are released RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA Ribosomal subunits and a tRNA-carrying methionine converge on the start codon of an mRNA
All of the following mRNA codons signal the end of translation, in both prokaryotes and eukaryotes, with the exception of: 5’-AUG-3’ 5’-UAG-3’ 5’-UGA-3’ 5’-UAA-3’ all of the above
Which of the following best describes a sequence of events that happens during the elongation phase of translation? Group of answer choices A charged tRNA enters the P site of a ribosome; a tRNA bound to a peptide moves to the A site; an tRNA bound to a peptide exits the E site. None of these is an accurate description A charged tRNA enters the A site of a ribosome; a tRNA bound to a peptide moves to the P site; an uncharged tRNA exits the E site. An uncharged tRNA enters the A site of a ribosome; a tRNA bound to a peptide moves to the P site; a charged tRNA exits the E site. A charged tRNA enters the A site of a ribosome; a tRNA bound to a peptide moves to the E site; an tRNA bound to a peptide exits the A site.
Which of these statements is true about the elongation step of translation? The growing polypeptide chain is transferred from the P site RNA to the A site RNA The MRNA moves through the ribosome The new amino acid is transferred from the A site RNA to the growing polypeptide chain in the P site The small ribosomal subunit detaches and reattaches every time a new amino acid is incorporated into the growing polypeptide
An RNA polymer is made by using the enzyme polynucleotide phosphorylase with equal quantities of CTP and GTP. When this RNA is used in an in vitro translation system, all of the following amino acids could be incorporated into a newly made polypeptide, except: Codon Table Second position C UUU UCU UAU UGU phe tyr сys UUC UCC UAC UGC ser UAA Stop UGA Stop UAG Stop UGG trp UUA UCA UUG UCG CUU CCU CAU CGU leu his ССС pro ССА CỤC САС CGC arg CỦA САА CGA gln CUG CCG CAG CGG AUU ACU AAU AGU asn ser AUC ile ACC thr АCА AAC AGC AUA AAA lys AAG AGA arg AUG met ACG AGG GUU GCU GAU GGU asp GUC GCC ala GCA GẠC GGC val gly GUA GAA GGA glu GUG GCG GAG GGG glycine (Gly) histidine (His) proline (pro) alanine (Ala) arginine (Arg) Third position (3'-end) AGUCAG First position (5'-end)